Lochinvar 1 Noisy, No Pump, Operation Boiler Pump, System Pump, HW Pump, Relief Valve, Opening

Page 46

Service Manual

3 Troubleshooting

Table 3E Troubleshooting Chart - Noisy System

FAULT

 

CAUSE

 

CORRECTIVE ACTION

 

 

 

 

 

 

 

 

 

 

- Supply gas problem. Natural gas pressures

• Refer

to Section

6 -

Gas

Connections

of

the SYNC

 

should be between 4 inches w.c. (1.0 kPa)

Installation and

Operation Manual

for

detailed

 

and

14 inches w.c. (3.5 kPa). LP gas

 

information concerning the gas supply.

 

 

 

pressures should be between 8 inches w.c.

 

 

 

 

 

 

 

 

 

 

 

(2.0 kPa) and 14 inches w.c. (3.2 kPa).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Refer

to the Gas Valve Adjustment Procedure on

 

 

 

page 55 of this manual for the proper gas valve setting.

 

- Gas/air mixture problem.

Verify that the vent/air intake lengths do not exceed the

 

 

 

maximum listed in the General Venting section of the

 

 

 

SYNC Installation and Operation Manual.

 

 

Noisy

 

 

 

 

 

 

 

 

 

 

 

• Refer to page 39 in this manual for the burner removal

Operation

 

 

- Dirty/damaged burner.

and inspection procedure. Clean or replace the burner

 

 

 

 

as necessary.

 

 

 

 

 

 

 

 

 

 

 

 

 

• Refer

to Section 6 - Hydronic Piping of the

 

 

 

SYNC

Installation

and

Operation

Manual for

-Low water flow through the heat exchanger. minimum flow rates. Verify that the boiler is piped in a primary/secondary fashion and that the boiler and system pump are running on a call for heat.

 

- Air in the piping system.

• Properly purge all air from the piping system.

 

 

 

 

 

 

 

 

 

 

- Low system water pressure.

• Verify

system pressure is a

minimum of

12

psi

 

(82.7 kPa).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No Pump

- Blown fuse.

• Replace fuse F5 on the control board, see page 43 of

this manual.

 

 

 

 

 

 

 

 

 

Operation -

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Boiler Pump

- Faulty pump.

• Replace pump.

 

 

 

 

 

 

 

 

System Pump

 

 

 

 

 

 

 

 

 

 

 

 

- Internal fault on control board.

• Replace main control board.

 

 

 

 

 

 

or

 

 

 

 

 

 

HW Pump

- Faulty pump relay.

• Replace relay.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Lower

the

system

pressure

below

the

50

psi

Relief Valve

 

(344.7 kPa) rating of the supplied relief valve or replace

- System pressure exceeds relief valve

the standard relief valve with a higher rated valve up to

Opening

setting.

the maximum pressure of the heat exchanger.

 

 

 

 

• Improperly sized expansion tank.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Reset the pressure switches.

 

 

 

 

 

 

 

 

• Measure the supply gas pressure to determine cause

Gas Pressure

 

of failure. Natural gas pressures should be between

 

4 -

14 inches w.c.

(1.0 -

3.5

kPa)

and

LP

gas

Switch

 

 

pressures

should

be

between

8

- 14

inches

w.c.

(will require a

 

Either the manual reset low gas pressure

(2.0 - 3.2 kPa).

 

 

 

 

 

 

 

 

manual reset once

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the condition has

switch or the manual reset high gas pressure

• Refer to Section 6 - Gas Connections of the SYNC

been corrected.

switch tripped.

Installation

and

Operation

Manual

for

detailed

Press the RESET

 

 

information concerning the gas supply.

 

 

 

button on the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

display to reset.)

 

• Correct the supply gas pressure if necessary.

 

 

 

 

 

 

 

 

• Check for a loose or misplaced jumper if pressure

 

 

switches are not installed.

 

 

 

 

 

 

46

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Image 46
Page 45 Page 47
Contents Models 1.0, 1.3, Contents Handling ceramic fiber materials Niosh stated First AidMaintenance ServiceTroubleshooting Service Near boiler pipingSync display Control inputs BoardSecondary Smart Touch Control Module Primary Control outputsHow the control module operates General OperationHow the boiler operates Sequence of operationSequence of operation Sequence of operation space heating and HWThis table lists the parameters and where to access them Parameter tableOutdoor Reset Viewable and changeable control parameters Status ScreenService Details Screen Service Main Screen Setup Screen Service/Setup Parameters Screen Service Set Point Parameters Screen Outdoor Reset Parameters Screen Service Night Setback Parameters Screen Cascade Parameters Screen Cascade OperationPumps Parameters Screen 10Vdc BMS Parameters Screen 10Vdc OperationService Cascade Screen Service Temps Screen Burners Screen Graph Select Screen History Screen Service Mode Screen Maintenance Maintenance and annual startup Inspect boiler area Address reported problemsClean condensate trap Inspect boiler interiorCheck water system Flue vent system and air pipingCheck expansion tank Check boiler relief valve Check control settings Check ignition ground wiringCheck all boiler wiring Inspect ignition and flame sense electrodesCleaning boiler heat exchanger Check flame signalReview with owner Test procedure Test low water flow conditionsTroubleshooting Alarm ScreenCheck the following Before troubleshootingCheck control module fuses Operation No DisplayNo Burner Unit DoesChecking temperature sensors Temperature ResistanceOperation Boiler Pump NoisyNo Pump System PumpDrain Blocked Flow SwitchCondensate Flame outFlame Lost Light cont’dWhile Running Troubleshooting Temp SW Automatic ResetHigh Limit / HEX Blower RPM’sSensor Open Louver Proving SwitchToo High Sensor ShortedLow Resets Try LaterAir Flow Too Flap ValveWriting to Internal FaultNo Error Stored MemosOr Obstruction Combustion Analysis ProcedureGas Valve Adjustment Gas Supply PressureModel Gas valve adjustment procedureModels 1.3
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1 specifications

Lochinvar 1 is a remarkable achievement in the realm of modern technology and engineering. As a powerful and efficient water heater, it has been designed to cater to a wide range of residential and commercial needs. One of the standout features of Lochinvar 1 is its advanced heating technology, which incorporates a high-efficiency condensing design. This technology allows the unit to achieve impressive energy savings by maximizing heat transfer while minimizing energy consumption.

The Lochinvar 1 utilizes a stainless steel heat exchanger that enhances durability and corrosion resistance. This not only extends the lifespan of the unit but also ensures consistent performance over time. Coupled with a user-friendly control system, users can easily adjust settings and monitor performance, enhancing overall convenience and usability.

Another key characteristic of the Lochinvar 1 is its compact design, making it suitable for a variety of installation environments. Whether in a residential basement or a commercial utility room, the unit’s space-saving configuration allows for efficient use of available area without compromising on capability.

Safety features are integral to the Lochinvar 1, providing peace of mind for users. The unit is equipped with advanced monitoring systems that can detect irregularities and automatically shut down the system if necessary. This not only protects the equipment but also enhances the safety of the environment in which it operates.

In terms of performance, Lochinvar 1 boasts a high recovery rate, ensuring hot water is available on demand. This is particularly beneficial for settings with high water usage, allowing simultaneous operations without lag.

Moreover, the unit supports various venting options, offering flexibility during installation. Whether using traditional vertical venting or innovations like direct venting, Lochinvar 1 accommodates different building designs and local codes, making it highly versatile.

In conclusion, Lochinvar 1 epitomizes the melding of efficiency, reliability, and user-friendly technology. With its high-performance features, robust safety systems, and adaptable installation options, it stands out as a forefront player in the water heating industry, meeting the diverse needs of today's consumers and businesses alike.
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